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发明公开
CN106167540A 连续式生产聚氨酯板材用高阻燃组合聚醚及其制备方法 无效 - 驳回

连续式生产聚氨酯板材用高阻燃组合聚醚及其制备方法
摘要：
本发明属于聚氨酯技术领域，具体涉及一种连续式生产聚氨酯板材用高阻燃组合聚醚及其制备方法。所述的高阻燃组合聚醚由A组分和B组分组成，A组分和B组分的重量比为1:1.5‑1.8，其中，A组分由以下重量百分比的原料制成：阻燃型聚醚多元醇Ⅰ25‑35﹪；聚醚多元醇Ⅱ2‑5﹪；阻燃型聚酯多元醇20‑35﹪；交联剂2‑5％；泡沫稳定剂1‑1.5﹪；发泡剂13‑25﹪；催化剂2.5‑4.5﹪；阻燃剂Ⅰ15‑25﹪；阻燃剂Ⅱ3‑8％；水0.5‑2.0﹪；B组分为多亚甲基多苯基多异氰酸酯。本发明的高阻燃组合聚醚制得的聚氨酯板材绝热性好，闭孔率高，总体阻燃级别能够达到国家B2级阻燃标准。
摘要（英）：

Belonging to the technical field of polyurethane, the invention in particular relates to a high flame retardant combined polyether for continuous production of polyurethane sheet and a preparation method thereof. The high flame retardant combined polyether is composed of a component A and a component B that are in a weight ratio of 1:1.5-1.8, wherein the component A is prepared from the following raw materials by weight percentage: 25-35% of flame retardant polyether polyol I; 2-5% of polyether polyol II; 20-35% of flame retardant polyester polyol; 2-5% of a crosslinking agent; 1-1.5% of a foam stabilizer; 13-25% of a foaming agent; 2.5-4.5% of a catalyst; 15-25% of a flame retardant I; 3-8% of a flame retardant II; and 0.5-2.0% of water; and the component B is polyaryl polymethylene isocyanate. The high flame retardant combined polyether provided by the invention has good adiabaticity and high percentage of close area, and the overall flame retardant level can reach the national B2 level flame retardant standard.

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